Cisco 300-815 CLACCM case studies
Cisco 300-815 CLACCM · Put your knowledge to work in context.
The Cisco 300-815 CLACCM exam (Implementing Cisco Advanced Call Control and Mobility Services) is a concentration exam within Cisco's collaboration certification track. It targets voice and collaboration engineers who design, deploy, and troubleshoot advanced call control in Cisco Unified Communications Manager (CUCM) and related platforms. The exam spans five domains: Call Control and Dial Planning, Call Control and Mobility Services, Call Control and Mobility Troubleshooting, Mobility and Remote Access, and Security and Policy Enforcement. Expect scenario-based multiple-choice and multiple-response items plus drag-and-drop and simulation-style tasks that test hands-on configuration reasoning. The Cisco 300-815 CLACCM case studies are 5 cases and about 3,032 words.
1Site Code Collides with Legacy PBX 5-Digit Dialing
Acme runs a two-site Cisco Unified Communications Manager 14 cluster. San Jose extensions are 1000–1999 with DIDs +1 408 555 1XXX; Austin extensions are 2000–2999 with DIDs +1 512 555 2XXX.
653 words, about 3 min2Extension Mobility and Device Mobility Do Not Move the Line CSS
Priya, a sales engineer, has extension 1123 at San Jose and an Extension Mobility device profile whose line CSS is SANJOSE-LINES. Her desk phone is in device pool SANJOSE-PHONES.
634 words, about 3 min3Outbound SIP Calls Ring Once Then Go Silent
Acme's CUCM cluster connects to an ITSP through a CUBE. Outbound calls reach the ITSP, but the caller hears one ring and then silence until the called party answers; some calls drop at 30 seconds.
600 words, about 3 min4Remote Jabber Works for One Domain but Not the Acquired Domain
Acme uses Cisco Jabber with Mobile and Remote Access through Expressway-C and Expressway-E. Internal Jabber clients register to CUCM without issues.
539 words, about 3 min5Forced Authorization Codes and Toll Fraud on Lab Phones
A university runs CUCM with phones in public labs and dorm lobbies. All lab phones share the LAB-PHONES device pool and a line CSS that includes PSTN-LOCAL, PSTN-LD, and PSTN-INTL.
606 words, about 3 min